I'm not sure how involved Detroit was last year during Earth Hour, but we can participate this year as a whole.
We can make a difference if we all work together.
Participate by turning off your lights and other electronic devices at 8:30 PM tonight on Saturday March 31st for one hour.
http://www.youtube.com/watch?v=FovYv8vf5_E&feature=related

http://www.earthhour.org/